<!DOCTYPE html>
<style>
#wrapper {
    position: absolute;
    top: 0px;
    left: 0px;
    bottom: 0px;
    right: 0px;
}
#child {
    position: relative;
    width: 100px;
    height: 100px;
    top: 50%;
    background-color: green;
}
#ref {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 150px;
    background-color: red;
}
</style>
<p>crbug.com/61049: There should be no red box below.</p>
<div id="log"></div>
<div id="ref"></div>
<div style="position: absolute; height: 200px; width: 200px; top: 50px;">
    <div id="wrapper">
        <div id="child" data-positioned-offset-y=100></div>
    </div>
</div>
<script src="../../../resources/check-layout.js"></script>
<script>
    checkLayout("#child", log);
</script>
